Fatal error: Uncaught mysqli_sql_exception: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '.57.87' at line 1 in /var/www/html/ciekawosci.pl/include/db_function.php:38
Stack trace:
#0 /var/www/html/ciekawosci.pl/include/db_function.php(38): mysqli_query()
#1 /var/www/html/ciekawosci.pl/include/usersOnline.class.php(46): db_query()
#2 /var/www/html/ciekawosci.pl/include/usersOnline.class.php(13): usersOnline->new_user()
#3 /var/www/html/ciekawosci.pl/subheader.php(26): usersOnline->__construct()
#4 /var/www/html/ciekawosci.pl/index.php(2): include('...')
#5 {main}
thrown in /var/www/html/ciekawosci.pl/include/db_function.php on line 38